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Comparison

GPT 5.4 vs Claude Sonnet 4.6

Side-by-side comparison of OpenAI GPT 5.4 and Anthropic Claude Sonnet 4.6. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding73 / 68Math94 / 87Reasoning90 / 92Language75 / 66

GPT 5.4

83.1Frontier

Claude Sonnet 4.6

78.1Frontier

GPT 5.4
Claude Sonnet 4.6

Input Price (per 1M)

$2.50
17% less
$3.00

Output Price (per 1M)

$15.00
$15.00

Context Window

1.1M
1.1x
1M

Max Output

128K
128K

OpenAI

GPT 5.4

vs

Anthropic

Claude Sonnet 4.6

Pricing per 1M Tokens

$2.50

17% cheaper

Input

Input

$3.00

Input

$15.00

Output

Output

$15.00

Output

Token Limits

Context

1.1M

Context

Context

1M

Max Output

128K

Max Output

Max Output

128K

VisionTools
VisionTools

GPT 5.4 Details

$2.50 in / $15.00 out

Claude Sonnet 4.6 Details

$3.00 in / $15.00 out

Compare Models

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Anthropic

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